Analysis

  • max time kernel
    5s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-08-2024 09:37

General

  • Target

    7a0a11391c7656f29e346deadcbf2210N.exe

  • Size

    2.0MB

  • MD5

    7a0a11391c7656f29e346deadcbf2210

  • SHA1

    a3d5263fdce2f9ff4a69d09849f3e5018d0c3e07

  • SHA256

    5573f46a05ab2d681b6431bf681882fd0b73e8a38dd16cbd4156f197c11445bf

  • SHA512

    b227e41f3a5728fddbe20e497e5bab03b36376e8df886758c8bcb58d90dc292f74a88e8961dc097a63e1b2d0bcdec0f8a41468c1482030a99a99f86291464780

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYV:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y7

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a0a11391c7656f29e346deadcbf2210N.exe
    "C:\Users\Admin\AppData\Local\Temp\7a0a11391c7656f29e346deadcbf2210N.exe"
    1⤵
    • Quasar RAT
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2672
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3424
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 556
          3⤵
          • Program crash
          PID:752
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:540
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:1960
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:960
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
            4⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:4864
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\8xVKh48LzsYN.bat" "
            4⤵
              PID:1400
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4716
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:3160
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:5080
                    • C:\Windows\SysWOW64\schtasks.exe
                      "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
                      6⤵
                      • Scheduled Task/Job: Scheduled Task
                      PID:4124
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7ZY4S8IXrt7v.bat" "
                      6⤵
                        PID:3144
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:1712
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2184
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:1184
                              • C:\Windows\SysWOW64\schtasks.exe
                                "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
                                8⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:3956
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 5080 -s 2220
                            6⤵
                            • Program crash
                            PID:4880
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 960 -s 2232
                        4⤵
                        • Program crash
                        PID:228
                  • C:\Users\Admin\AppData\Local\Temp\7a0a11391c7656f29e346deadcbf2210N.exe
                    "C:\Users\Admin\AppData\Local\Temp\7a0a11391c7656f29e346deadcbf2210N.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2948
                  • C:\Windows\SysWOW64\schtasks.exe
                    "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
                    2⤵
                    • System Location Discovery: System Language Discovery
                    • Scheduled Task/Job: Scheduled Task
                    PID:4740
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2672 -ip 2672
                  1⤵
                    PID:2508
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:3212
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:1856
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:2680
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 1856 -s 520
                              3⤵
                              • Program crash
                              PID:1340
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:3888
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:1844
                              • C:\Windows\SysWOW64\schtasks.exe
                                "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
                                2⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:2988
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1856 -ip 1856
                              1⤵
                                PID:3244
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 960 -ip 960
                                1⤵
                                  PID:1180
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 5080 -ip 5080
                                  1⤵
                                    PID:3968
                                  • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                    "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                    1⤵
                                      PID:4964
                                    • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                      "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                      1⤵
                                        PID:1180

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windef.exe.log

                                        Filesize

                                        1KB

                                        MD5

                                        10eab9c2684febb5327b6976f2047587

                                        SHA1

                                        a12ed54146a7f5c4c580416aecb899549712449e

                                        SHA256

                                        f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928

                                        SHA512

                                        7e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50

                                      • C:\Users\Admin\AppData\Local\Temp\7ZY4S8IXrt7v.bat

                                        Filesize

                                        208B

                                        MD5

                                        e80c1184b06bbd0d01759cb156c45152

                                        SHA1

                                        7810e0ee4af981c867a358f037b8522359fc2cfa

                                        SHA256

                                        c21ae06e1db85cecbaf7093c6d44794ac89b2129db3858c84dd8a30573c0e881

                                        SHA512

                                        3d5a277228ef8be0d990817877527e33ddefba525ee43e8a218b512342a4406f50354eb58aa9363a3e92cc6b39017a9149066bccafc7ddd834e7a528b26a30ec

                                      • C:\Users\Admin\AppData\Local\Temp\8xVKh48LzsYN.bat

                                        Filesize

                                        208B

                                        MD5

                                        09d16f3a2ff087102826c51d37611c17

                                        SHA1

                                        f7d6415988839d447fc745901587ca7dd76700a9

                                        SHA256

                                        d8d4ac3a3f063e18465740c883c0080b5b045e09101a3011f9486098f1e2e615

                                        SHA512

                                        911c5421f1e9f99e7ee6f76398ee3f065c5729a65efb700c5832767f5297ff3cf54e4cd2b231033c07b7d5daaff207b82bb286846859cf1fe70b9d86ff7f3c09

                                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe

                                        Filesize

                                        405KB

                                        MD5

                                        b8ba87ee4c3fc085a2fed0d839aadce1

                                        SHA1

                                        b3a2e3256406330e8b1779199bb2b9865122d766

                                        SHA256

                                        4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                        SHA512

                                        7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                                      • C:\Users\Admin\AppData\Local\Temp\windef.exe

                                        Filesize

                                        349KB

                                        MD5

                                        b4a202e03d4135484d0e730173abcc72

                                        SHA1

                                        01b30014545ea526c15a60931d676f9392ea0c70

                                        SHA256

                                        7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                        SHA512

                                        632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                                      • C:\Users\Admin\AppData\Roaming\Logs\08-13-2024

                                        Filesize

                                        224B

                                        MD5

                                        c59c5ec996f3b667bb284c3eabcf9eaa

                                        SHA1

                                        74121ee4a006b6e748122b5667ad5a605201907f

                                        SHA256

                                        8f0f7e9a94faa5dc2bac0d7437ad44a5c3715644e13637ecabf32aeb9e13b409

                                        SHA512

                                        2202fe15a4c3d2dc9510f8325620508e179b0267f5f39545bdb8ecd3565b919f613d65ab44b252d0d34c9fcf19d2ca2951cd1446977714e51f74fe60db6e380d

                                      • C:\Users\Admin\AppData\Roaming\Logs\08-13-2024

                                        Filesize

                                        224B

                                        MD5

                                        c7c7c9e66955b5828672e487874c6e12

                                        SHA1

                                        3f01fe3960fd3b718eeacacd790eecda4a2733e9

                                        SHA256

                                        1207d0f2d3673daada52c124699aadf77ef7061ae3c4b257be15b8d8e7aebde5

                                        SHA512

                                        20a3846000987890ab8ce4e1be8be6e665f17516805f6381fa324bde00d1e83fa5989ba7961711757324e34e36e77dc3983e17568b39fe9fb795bbf1390a0e8b

                                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe

                                        Filesize

                                        2.0MB

                                        MD5

                                        dc1d42b10cde71d267906ab6bebebc15

                                        SHA1

                                        c6bb8de02073b01e76fe4bbdcb6d3c84fc5fda33

                                        SHA256

                                        ce93c6dbee4f940235eaaaaa73271bd0040ac0c44e482d31089c95727841fd52

                                        SHA512

                                        fada2a73a64bece6962838daadd5df4911d9fb8ffe8f309fece36f869f3b00d3022705e848d4a33192f0a8518c77faec86b9f14c23fa938fb045fa220f0ac484

                                      • memory/540-34-0x0000000005230000-0x00000000052C2000-memory.dmp

                                        Filesize

                                        584KB

                                      • memory/540-35-0x0000000005330000-0x0000000005396000-memory.dmp

                                        Filesize

                                        408KB

                                      • memory/540-36-0x0000000005EF0000-0x0000000005F02000-memory.dmp

                                        Filesize

                                        72KB

                                      • memory/540-37-0x0000000006430000-0x000000000646C000-memory.dmp

                                        Filesize

                                        240KB

                                      • memory/540-33-0x0000000005740000-0x0000000005CE4000-memory.dmp

                                        Filesize

                                        5.6MB

                                      • memory/540-30-0x0000000000760000-0x00000000007BE000-memory.dmp

                                        Filesize

                                        376KB

                                      • memory/540-19-0x000000007303E000-0x000000007303F000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/960-45-0x0000000006610000-0x000000000661A000-memory.dmp

                                        Filesize

                                        40KB

                                      • memory/2944-29-0x0000000001CA0000-0x0000000001CA1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2944-74-0x0000000001CA0000-0x0000000001CA1000-memory.dmp

                                        Filesize

                                        4KB

                                      • memory/2948-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB

                                      • memory/2948-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                        Filesize

                                        128KB